Home / 2,851.17-4,274.01-2,015.63

Finding the Fourth Proportional to 2,851.17, 4,274.01 and 2,015.63

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Solution

The fourth proportional to 2,851.17, 4,274.01 and 2,015.63 is: 3,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.17 : 4,274.01 = 2,015.63 : x
  2. Step 2: Convert to fraction form
    2,851.17/4,274.01 = 2,015.63/x
  3. Step 3: Cross multiply
    2,851.17x = 4,274.01 × 2,015.63
  4. Step 4: Simplify right side
    2,851.17x = 8,614,801.41
  5. Step 5: Solve for x
    x = 8,614,801.41/2,851.17
  6. Step 6: Final answer
    x = 3,021.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.